Looking at the (purported) spec sheet, the Slate appears to have a series of enticing features that are missing on the iPad. There's the camera, of course, and we're not just talking one but two: a 3MP lens in back and a front-facing VGA camera for video conferencing. We've also got a single USB 2.0 port, an, a "conventional" SIM tray for 3G networking, and HDMI-out video capabilities (not to mention 1080p playback) via the Slate's dock connector. (Each of these key points are highlighted on the leaked marketing sheet as an "HP advantage," by the way.)
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As an avid Apple user, I'm underwhelmed by the iPad as it exists today. Hopefully this warning shot by HP over Apple's bow will get them to realize how important things like a camera, a USB port and SD card reader are. I don't really care if the HP device is vapor-ware or not if it gets Apple to iPad v2 sooner.